Detroit Diesel 4000 Series, Service Manual, Page: 2659 / 2706

SERIES 4000 12/16V SERVICE MANUAL
E 012.05 Q – EXHAUST GASES BLUE
Start with the first probable cause of exhaust gases blue listed in Table 16, perform the check and
take the suggested remedial action. If the problem persists, go to the next probable cause, perform
the check, etc., until troubleshooting is complete.
Probable Causes Check Remedial Action
Too much oil in combustion
chambers Engine oil level Correct oil level. Refer to G180.000.01
Operator Guide.
Exhaust turbocharger Repair
Cylinder block ventilation Replace
Valve stem seals Replace
Piston rings Replace
Valve guides Replace
Cylinder liners Replace
Compression pressure too low Refer to section E 012.05 G Refer to section E 012.05 G
Table 16 Exhaust Gases Blue
All information subject to change without notice.
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